Description
Overview:
This 7 pin 12S Socket with brass pins (MPN 761 387) is a secondary towing electrics connector for 12V systems that links a towing vehicle to a caravan, trailer, or auxiliary unit. It uses a durable, grey plastic housing with robust brass contacts to provide dependable conductivity and long service life. Designed to conform to ISO 3732, it mates with standard 12S plugs and is typically fitted alongside a 12N lighting socket. The protective hinged cap helps shield the contacts from road grime and weather when not in use. Suitable for cars, vans, 4x4s, pickups, motorhomes and light commercials, it is commonly used where auxiliary power, charging, or reversing functions are required in addition to basic road lighting.
Key Features:
- 7-pin 12S secondary towing socket to ISO 3732 for 12V supplementary circuits
- Brass pins for high conductivity and improved corrosion resistance
- Tough grey plastic body with protective hinged cover for everyday road use
- Helps provide stable connections for fridge, battery charge and reverse circuits
- Compatible with standard 12S plugs and 7-core towing cable (12V systems)
- Simple wiring via screw terminals; accepts typical automotive cable sizes
- Suitable for cars, vans, 4x4s, pickups, motorhomes and light commercials
- Weather-resistant design when correctly installed and capped
- Ideal as a replacement for worn or damaged sockets on existing towbars
- Clear identification: MPN 761 387 for maintenance and reordering
Typical Applications:
Used on towbar installations where supplementary electrics are needed, such as caravans requiring fridge and leisure battery charging, trailers with reversing lamps, and auxiliary power feeds for interior lights or accessories. Common in new towbar fits, repairs, and upgrades on caravans, boat trailers, horseboxes and general utility trailers for reliable 12V auxiliary connections.
Also known as:
7-pin grey socket (12S), auxiliary 7-pin connector, caravan fridge/charging socket, towbar auxiliary socket, ISO 3732 supplementary connector, grey towbar socket, caravan charging outlet, auxiliary trailer power connector.
Product Specifications
| L&S Part No. | 761 387 |
|---|---|
| Unit of Sale | 1 |
| Machine Type | Trailers |
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